lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: Force inlining off in a few places to save stack usage

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-01-03 10:01:48 -05:00
parent f9ef6604ac
commit 98ed51747b
3 changed files with 54 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
fs/btrfs/extent-tree.c
View File

@ -162,10 +162,11 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group(struct
return block_group;
return NULL;
}
static u64 find_search_start(struct btrfs_root *root,
struct btrfs_block_group_cache **cache_ret,
u64 search_start, int num,
int data, int full_scan)
static u64 noinline find_search_start(struct btrfs_root *root,
struct btrfs_block_group_cache **cache_ret,
u64 search_start, int num,
int data, int full_scan)
{
int ret;
struct btrfs_block_group_cache *cache = *cache_ret;
@ -393,11 +394,12 @@ static int match_extent_ref(struct extent_buffer *leaf,
return ret == 0;
}
static int lookup_extent_backref(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, u64 bytenr,
u64 root_objectid, u64 ref_generation,
u64 owner, u64 owner_offset, int del)
static int noinline lookup_extent_backref(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, u64 bytenr,
u64 root_objectid,
u64 ref_generation, u64 owner,
u64 owner_offset, int del)
{
u64 hash;
struct btrfs_key key;
@ -1116,8 +1118,8 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
return 0;
}
static int finish_current_insert(struct btrfs_trans_handle *trans, struct
btrfs_root *extent_root)
static int finish_current_insert(struct btrfs_trans_handle *trans,
struct btrfs_root *extent_root)
{
u64 start;
u64 end;
@ -1360,11 +1362,13 @@ static u64 stripe_align(struct btrfs_root *root, u64 val)
* ins->offset == number of blocks
* Any available blocks before search_start are skipped.
*/
static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
*orig_root, u64 num_bytes, u64 empty_size,
u64 search_start, u64 search_end, u64 hint_byte,
struct btrfs_key *ins, u64 exclude_start,
u64 exclude_nr, int data)
static int noinline find_free_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *orig_root,
u64 num_bytes, u64 empty_size,
u64 search_start, u64 search_end,
u64 hint_byte, struct btrfs_key *ins,
u64 exclude_start, u64 exclude_nr,
int data)
{
struct btrfs_path *path;
struct btrfs_key key;
@ -1760,8 +1764,9 @@ struct extent_buffer *__btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
return buf;
}
static int drop_leaf_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct extent_buffer *leaf)
static int noinline drop_leaf_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct extent_buffer *leaf)
{
u64 leaf_owner;
u64 leaf_generation;
@ -1802,8 +1807,8 @@ static int drop_leaf_ref(struct btrfs_trans_handle *trans,
return 0;
}
static void reada_walk_down(struct btrfs_root *root,
struct extent_buffer *node)
static void noinline reada_walk_down(struct btrfs_root *root,
struct extent_buffer *node)
{
int i;
u32 nritems;
@ -1835,8 +1840,9 @@ static void reada_walk_down(struct btrfs_root *root,
* helper function for drop_snapshot, this walks down the tree dropping ref
* counts as it goes.
*/
static int walk_down_tree(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, int *level)
static int noinline walk_down_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, int *level)
{
u64 root_owner;
u64 root_gen;
@ -1955,8 +1961,9 @@ out:
* to find the first node higher up where we haven't yet gone through
* all the slots
*/
static int walk_up_tree(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, int *level)
static int noinline walk_up_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, int *level)
{
u64 root_owner;
u64 root_gen;
@ -2100,7 +2107,8 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
return 0;
}
static int relocate_inode_pages(struct inode *inode, u64 start, u64 len)
static int noinline relocate_inode_pages(struct inode *inode, u64 start,
u64 len)
{
u64 page_start;
u64 page_end;
@ -2169,7 +2177,7 @@ out_unlock:
/*
* note, this releases the path
*/
static int relocate_one_reference(struct btrfs_root *extent_root,
static int noinline relocate_one_reference(struct btrfs_root *extent_root,
struct btrfs_path *path,
struct btrfs_key *extent_key)
{
@ -2268,9 +2276,9 @@ out:
return 0;
}
static int relocate_one_extent(struct btrfs_root *extent_root,
struct btrfs_path *path,
struct btrfs_key *extent_key)
static int noinline relocate_one_extent(struct btrfs_root *extent_root,
struct btrfs_path *path,
struct btrfs_key *extent_key)
{
struct btrfs_key key;
struct btrfs_key found_key;